Question

2. Following is the distribution of marks of 50 students :
Classes
No. of students
010
1020
20 30
3040
40-50
50-60
60-70
7080
8090
90-100
van
Aww
(1) What is the lower limit of second class?
(ii) What is the upper limit of 4th class ?
(iii) What is the class-mark of 8th class ?
(iv) What is the class-mark of 5th class ?
Teacher's Signature :
Mathematics
Part-8 . 28​

Answer 1

Answer:

10445013454349142=1=

Answer 2

Answer:

1. the lower limit of second class is 10

2. the uper limit of class 4th is 40

3. the class mark of 8th class is 75

4. the class mark of 5th class is 45